9ct White Gold Illusion Solitaire Diamond Dress Ring Keanes Jewellers White and gold The Science Behind the Dress Illusion Eyepic Eye Care How "The Dress" Became an Illusion Unlike Any Other Scientific American 10 years since THE DRESS blew up Internet. Two thirds of people saw white and gold. Its an optical illusion caused by weird lighting and an overexposed background. It Is actuallylly blue and black.